Karbonn
Side-by-side technical data
Karbonn K451+ Sound Wave vs Karbonn Smart A12 Star
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Karbonn K451+ Sound Wave, if you care about…
- Battery Capacity
- 1,800 mAh
- against 1,400 mAh
- Standby time
- 500 h
- against 300 h
Karbonn Smart A12 Star, if you care about…
- Display Technology
- IPS LCD
- against TFT LCD
- Display Pixel Density
- 233 ppi
- against 167 ppi
- Usable Surface
- 57.1 %
- against 29.5 %
- Body Thickness
- 10.1 mm
- against 14.6 mm
Specification comparison
Performance
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Processor Model | — | — |
| Processor Process Size | — | — |
| Graphics GPU | — | — |
| Storage Type | — | — |
| Maximum CPU Clock | — | 1.2 GHz |
| Maximum Storage Capacity | — | 4 GB |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | — | Dual-core 1.2 GHz |
| Processor Type | — | Dual-Core |
| 64-Bit Processor | — | — |
| RAM Capacity | — | 512 MB |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Body Colors | Silver, Black | Black |
| Body Thickness | 14.6 mm | 10.1 mm Best value |
| Body Width | 51.9 mm | 64.2 mm |
| Body Height | 116.5 mm | 124.2 mm |
| Weight | — | 130 g |
| Usable Surface | 29.5 % | 57.1 % Best value |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 14.6 mm | — |
| QWERTY keyboard | — | — |
Battery
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,800 mAh Best value | 1,400 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 8 h | — |
| Standby time | 500 h Best value | 300 h |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Display Aspect Ratio | 4:3 | 5:3 |
| Display Technology | TFT LCD | IPS LCD Best value |
| Peak Display Brightness | — | — |
| Display Diagonal | 2.4″ | 4″ Best value |
| Display Horizontal Resolution | 240 px | 480 px Best value |
| Display Vertical Resolution | 320 px | 800 px Best value |
| Display Pixel Density | 167 ppi | 233 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | — |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | 65K colors | — |
Sensors
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Sensor
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Sensor Features | — | Accelerometer, Proximity Sensor |
Software
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Operating System | — | Android 4.4 |
| OS Family | — | Android |
| OS Version | — | 4 |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | Yes | — |
| Widevine L1 | — | — |
Connectivity
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| SIM Configurations | Dual Mini-SIM | Dual Micro-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 900, 2G GSM 1800 | 2G GSM 900, 2G GSM 1800, 3G UMTS 2100 |
| Cellular Technologies | GSM, GPRS | GSM, HSPA Best value |
| Wi-Fi Standards | — | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | — | Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 2.0 | Bluetooth 2.0 |
| Bluetooth Profiles | — | — |
| Navigation Systems | — | GPS |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio | 3.5 mm Audio Jack, FM Radio, microUSB |
| USB Version | microUSB | microUSB |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | 0.45 W/kg Best value | 0.79 W/kg |
| SAR (EU) body | — | — |
| Messaging | SMS, MMS | — |
| Max. download speed | — | — |
| Max. upload speed | — | — |
Audio
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | Loudspeaker |
| Alert types | — | — |
Technical
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | K451+ Sound Wave | Smart A12 Star |
|---|---|---|
| Built-in functions | Audio/video player, Photo viewer, Organizer | — |
